<template>
	<view class="page-body">
		<view class="tabr" :style="{top:headerTop}">
			<view :class="{on:typeClass=='goods'}" @tap="switchType('goods')">商品({{goodsLen}})</view>
			<view :class="{on:typeClass=='shop'}"  @tap="switchType('shop')">店铺({{shopLen}})</view>
			<view class="border" :class="typeClass"></view>
		</view>
		<view class="place" ></view>
		<view class="list">
			<!-- 列表 -->
			<view class="sub-list goods" :class="subState">
				<view class="tis" v-if="goodsList.length==0">没有数据~</view>
				<view class="row" v-for="(row,index) in goodsList" :key="index" >
					<!-- 删除按钮 -->
					<view class="menu" @tap.stop="deleteCoupon(row.cid)">
						<view class="icon shanchu"></view>
					</view>
					<!-- content -->
					<view class="carrier" :class="[typeClass=='goods'?theIndex==index?'open':oldIndex==index?'close':'':'']" @touchstart="touchStart(index,$event)" @touchmove="touchMove(index,$event)" @touchend="touchEnd(index,$event)">
						<view class="goods-info" @tap="toGoods(row)">
							<view class="img">
								<image :src="row.goods_img"></image>
							</view>
							<view class="info">
								<view class="title">{{row.goods_name}}</view>
								<view class="price-number">
									<view class="keep-num">
										{{row.collect_num}}人收藏
									</view>
									<view class="price">￥{{row.shop_price}}</view>
								</view>
							</view>
						</view>
					</view>
				</view>
			</view>
			<view class="sub-list shop" :class="subState">
				<view class="tis" v-if="shopList.length==0">没有数据~</view>
				<view class="row" v-for="(row,index) in shopList" :key="index" >
					<!-- 删除按钮 -->
					<view class="menu" @tap.stop="deleteCoupon(row.cid)">
						<view class="icon shanchu"></view>
					</view>
					<!-- content -->
					<view class="carrier" :class="[typeClass=='shop'?theIndex==index?'open':oldIndex==index?'close':'':'']" @touchstart="touchStart(index,$event)" @touchmove="touchMove(index,$event)" @touchend="touchEnd(index,$event)" @click="toShop(row)">
						<view class="left">
							<image :src="row.goods_img"></image>
						</view>
						<view class="right">
							<view class="name">
								{{row.name}}
							</view>
						</view>
					</view>
				</view>
			</view>
		</view>
		
	</view>
</template>

<script>
	var that;
	export default {
		data() {
			return {
				goodsList:[],
				shopList:[],
				headerTop:0,
				//控制滑动效果
				typeClass:'goods',
				subState:'',
				theIndex:null,
				oldIndex:null,
				isStop:false,
				listItems:[{
					listData : [],loadtype : 0 ,//加载更多 0加载前，1加载中，2没有更多了
					refreshing : 0,listnull:false,listLen:4,page:1,	text2:"",
				}],
				collectTab:[{name:"商品",id:0},{name:"店铺",id:0}],
				typeid:0,
				goodsLen:"",
				shopLen:""
			}
		},
		onPageScroll(e){
			
		},
		//下拉刷新，需要自己在page.json文件中配置开启页面下拉刷新 "enablePullDownRefresh": true
		onPullDownRefresh() {
		    setTimeout(function () {
		        uni.stopPullDownRefresh();
		    }, 1000);
		},
		onLoad() {
			that=this;
			this.tabInit()
			this.getcollectCount()
			//兼容H5下排序栏位置
			// #ifdef H5
				//定时器方式循环获取高度为止，这么写的原因是onLoad中head未必已经渲染出来。
				let Timer = setInterval(()=>{
					let uniHead = document.getElementsByTagName('uni-page-head');
					if(uniHead.length>0){
						this.headerTop = uniHead[0].offsetHeight+'px';
						clearInterval(Timer);//清除定时器
					}
				},1);
			// #endif
		},
		methods: {
			tabInit(){
				let collectTab = this.collectTab;
				collectTab.forEach(item=>{
					item.listData = [];
					item.loadtype = 0;  //加载更多 0加载前，1加载中，2没有更多了
					item.refreshing = 0;
					item.listnull=false;
					item.listLen=10;
					item.text2=""
					item.page=1;
					item.loaded=false
				})	
				that.listItems=collectTab;
				that.getCollectList(true)
			},
			getCollectList(isReload){
				let tabindex=this.typeid;
				let list=this.listItems[tabindex];
				// let tabid=list.id;
				if(isReload){
					list.listData=[];
					list.loadtype=0;
					list.listnull=false;
					list.page=1;
					that.$set(that.listItems,tabindex,list);
				}
				if (list.loadtype==2||list.loadtype==1) { return; }
				this.$https.POST({
					url:"/collect/collectGoodsList",
					data:{
						type:tabindex
					},
					success(res){
						list.loadtype=1;
						let nowlistData=list.listData;
						res.data.forEach((item,index)=>{
							
						})
						let listData=nowlistData.concat(res.data)
						list.listData=listData;
						++list.page;
						if(list.listData.length==0&&res.data.length==0){
							list.listnull=true
						}
						if(list.listData.length>0&&res.data.length<10){
							if(list.listData.length<=list.listLen){
								list.text2=" ";
							}
							list.loadtype=2;
						   list.loadtype=2;
						   that.$set(that.listItems,tabindex,list)
						   return;
						}
						that.$set(that.listItems,tabindex,list)
						list.loadtype=0;
					}
				}).then(()=>{
					this.initShowData(this.typeid)
				})
			},
			initShowData(typeid){
				if(typeid == 0){
					this.goodsList = this.listItems[typeid].listData;
				}else{
					this.shopList = this.listItems[typeid].listData;
				}
			},
			switchType(type){
				let typeid = type=="goods"?'0':'1';
				this.typeid = typeid;
				if(this.typeClass==type){
					return ;
				}
				this.getCollectList(true)
				uni.pageScrollTo({
					scrollTop:0,
					duration:0
				})
				this.typeClass = type;
				this.subState = this.typeClass==''?'':'show'+type;
				setTimeout(()=>{
					this.oldIndex = null;
					this.theIndex = null;
					this.subState = this.typeClass=='goods'?'':this.subState;
				},200)
			},
			//控制左滑删除效果-begin
			touchStart(index,event){
				//多点触控不触发
				if(event.touches.length>1){
					this.isStop = true;
					return ;
				}
				this.oldIndex = this.theIndex;
				this.theIndex = null;
				//初始坐标
				this.initXY = [event.touches[0].pageX,event.touches[0].pageY];
			},
			touchMove(index,event){
				//多点触控不触发
				if(event.touches.length>1){
					this.isStop = true;
					return ;
				}
				let moveX = event.touches[0].pageX - this.initXY[0];
				let moveY = event.touches[0].pageY - this.initXY[1];
				
				if(this.isStop||Math.abs(moveX)<5){
					return ;
				}
				if (Math.abs(moveY) > Math.abs(moveX)){
					// 竖向滑动-不触发左滑效果
					this.isStop = true;
					return;
				}
				
				if(moveX<0){
					this.theIndex = index;
					this.isStop = true;
				}else if(moveX>0){
					if(this.theIndex!=null&&this.oldIndex==this.theIndex){
						this.oldIndex = index;
						this.theIndex = null;
						this.isStop = true;
						setTimeout(()=>{
							this.oldIndex = null;
						},150)
					}
				}
			},
			touchEnd(index,$event){
				//解除禁止触发状态
				this.isStop = false;
			},
			//删除商品
			deleteCoupon(cid){
				let typeid = this.typeid;
				let List = this.listItems[typeid];
				this.$https.POST({
					url:'/collect/collectGoodsDel',
					data:{
						cid:cid
					},
					success(res){
						let len = List.listData.length;
						for(let i=0;i<len;i++){
							if(cid==List.listData[i].cid){
								List.listData.splice(i, 1);
								break;
							}
						}
						that.$set(that.listItems,typeid,List)
						that.initShowData(typeid)
						if(typeid==0){
							that.goodsLen--
						}else{
							that.shopLen--
						}
					}
				})
				this.oldIndex = null;
				this.theIndex = null;
			},
			discard() {
				//丢弃
			},
			getcollectCount(){
				this.$https.POST({
					url:'/collect/collectCount',
					data:{
						
					},
					success(res){
						that.goodsLen = res.data.g_count;
						that.shopLen = res.data.b_count;
					}
				})
			},
			toGoods(row){
				let gid = row.id;
				uni.navigateTo({
					url:"/pages/goods/goods?id="+gid
				})
			},
			toShop(row){
				let sid = row.id
				uni.navigateTo({
					url:"/pages/shopcenter/shopcenter?sid="+sid
				})
			}
			
		}
	}
</script>
<style lang="scss">
	view{
		display: flex;
		flex-wrap: wrap;
		
	}
	page{position: relative;background-color: #f6f6f6;}

	.hidden{
		display: none !important;
	}
	.place{
		width: 100%;
		height: 95upx;
	}
	.tabr{
		background-color: #fff;
		width: 94%;
		height: 95upx;
		padding: 0 3%;
		border-bottom: solid 1upx #eee;
		position: fixed;
		top: 0;
		z-index: 10;
		view{
			width: 50%;
			height: 90upx;
			justify-content: center;
			align-items: center;
			font-size: 32upx;
			color: #999;
		}
		.on{
			color: $maincolor;
		}
		.border{
			height: 4upx;
			background-color: $maincolor;
			transition: all .3s ease-out;
			&.shop{
				transform: translate3d(100%,0,0);
			}
		}
		
	}
	.list{
		width: 100%;
		display: block;
		position: relative;
	}
	@keyframes showGoods {
		0% {transform: translateX(-100%);}100% {transform: translateX(0);}
	}
	@keyframes showShop {
		0% {transform: translateX(0);}100% {transform: translateX(-100%);}
	}
	.sub-list{
		&.shop{
			position: absolute;
			top: 0;
			left:100%;
			display: none;
		}
		&.showgoods{
			display: flex;
			animation: showGoods 0.20s linear both;
		}
		&.showshop{
			display: flex;
			animation: showShop 0.20s linear both;
		}
		width: 100%;
		padding: 20upx 0 120upx 0;
		.tis{
			width: 100%;
			height: 60upx;
			justify-content: center;
			align-items: center;
			font-size: 32upx;
		}
		&.shop{
			.row{
				height: 20vw;
				.left{
					width: 20vw;
					height: 20vw;
					padding-left: 20upx;
					align-items: center;
					image{
						width: 18vw;
						height: 18vw;
						border-radius: 100%;
					}
				}
				.right{
					height: 20vw;
					align-items: center;
					font-size: 32upx;
				}
			}
		}
		.row{
			width: 100%;
			height: 30vw; 
			align-items: center;
			position: relative;
			overflow: hidden;
			border-bottom: solid 1upx #eee;
			.menu{
				.icon{
					color: #fff;
					font-size:50upx;
				}
				position: absolute;
				width: 28%;
				height: 100%;
				right: 0;
				justify-content: center;
				align-items: center;
				background-color: red;
				color: #fff;
				z-index: 2;
			}
			
			.carrier{
				@keyframes showMenu {
					0% {transform: translateX(0);}100% {transform: translateX(-28%);}
				}
				@keyframes closeMenu {
					0% {transform: translateX(-28%);}100% {transform: translateX(0);}
				}
				&.open{
					animation: showMenu 0.25s linear both;
				}
				&.close{
					animation: closeMenu 0.15s linear both;
				}
				background-color: #fff;

				position: absolute;
				width: 100%;
				padding: 0 0;
				height: 100%;
				z-index: 3;
				flex-wrap: nowrap;
				.goods-info{
					width: calc(100% - 40upx);
					padding: 20upx;
					flex-wrap: nowrap;
					.img{
						width: calc(30vw - 40upx);
						height: calc(30vw - 40upx);
						border-radius: 10upx;
						overflow: hidden;
						flex-shrink: 0;
						margin-right: 20upx;
						image{
							width: calc(30vw - 40upx);
							height: calc(30vw - 40upx);
						}
					}
					.info{
						width: 100%;
						height: calc(30vw - 40upx);
						overflow: hidden;
						flex-wrap: wrap;
						align-content: space-between;
						position: relative;
						.title{
							width: 100%;
							font-size: 28upx;
							display: -webkit-box;
							-webkit-box-orient: vertical;
							-webkit-line-clamp: 2;
							overflow: hidden;
						}
						
						.price-number{
							width: 100%;
							justify-content: space-between;
							align-items: baseline;
							
							.keep-num{
								font-size: 26upx;
								color: #999;
							}
							.price{
								font-size: 30upx;
								color: $maincolor;
							}
						}
					}
				}
			}

		}
	}
	
</style>
